Pharmaceutical product



Y T P E HERMANN WEYLAND, HANS HAHL, AND RUDOLF BERENDIES, or ELBERFELD,

GERMANY, ASSIGNORS 'ro' FARBENFABRIKEN VORM. FRIEDR. BAYER AND 00., 0F LEVERKUSEN, NEAR COLOGNE, GERMANY.

PHARMACEUTICAL PRODUCT.

No Drawing.

To all whom it may concern.

Be it known that we, HERMANN WEYLAND, HANS HAHL, and RUDoLF BERENDES, citizens of Germany, residing at Elberfeld, Ger-V therapeutic use, being a valuable remedy against scabies, is obtained by treating xylene with sulfur and aluminium chlorid.

In carrying out the invention practically We can proceed as follows, the parts being by weight :-75 parts of xylene, parts of sulfur and 6 parts of aluminium chlorid are heated to boiling in a vessel provided with a reflux condenser until .the evolution of SH and HCl ceases. The oil is then Specification of Letters Patent. Patented A 22 1922 Application filed August 8, 1921. Serial No. 490,699.

poured into water, dried and distilled in vacuo. For furtherpurification it can be shaken with alkali.

The new product is a, dark yellow oil 7 scabies, substantially as described.

In testimony whereof we have hereunto set our hands in the presence of two' subscribinglwitnesses.

ERMANN WEYLAND. -[L.s.] HANS HAHL. L. s. RUDOLF BERENDES. [1,. s.]

Witnesses:

WILH. KREIKENBOHM, EDWARD SoNNnNBEne. 

